DIY Home Improvement, Remodeling & Repair Forum > DIY Home Improvement > Painting Forum > Will the wood of this overhead rot if it is not painted?




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Old 04-15-2012, 06:46 PM  
bellbound
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I'm also entertaining the idea of putting some type of cover over it to provide shade during summer and when it rains. If I did this, I am guessing I also wouldn't have to worry about painting it? Anyone have any suggestions for any types of materials that can be use to go on top of it to provide the coverage I described?

Thanks!


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Old 04-15-2012, 08:34 PM  
nealtw
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Can't tell by the photo if this has a slope or not and if and how it is tied to the house. You wouldn't want water sitting against the house.


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Old 04-15-2012, 11:48 PM  
bellbound
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It is flat. With that said, what options if any would I have for doing this?

Thanks.
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Old 04-16-2012, 12:47 AM  
nealtw
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polycarbonate sheeting; maybe
You might want to lower the legs on one side or end to give it a slope and flashing against the house would be important.
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Old 04-21-2012, 02:16 PM  
Workaholic
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Short answer is yes it is wood and will rot without maintaining it.

I would give it a light pressure was with a wash solution and scrape off the failing paint, prime and topcoat with a quality exterior finish.
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Old 04-22-2012, 01:30 AM  
AndyGump
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Sun light breaks down the lignin in the wood. That is the natural glue that binds the wood fibers together.
If you prime and paint without cleaning off the ruined wood then it is like painting over talcum powder. It just will not stick for long.

This type of pergola is very common here in CA. It is usually 2x2 cedar that is designed as a sun screen with the 2x2 being so close together.

Andy.


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